ChunkGetIndexFromFourCC  219 3rdparty/libwebp/mux/muxedit.c   idx = ChunkGetIndexFromFourCC(fourcc);
ChunkGetIndexFromFourCC  114 3rdparty/libwebp/mux/muxi.h CHUNK_INDEX ChunkGetIndexFromFourCC(const char fourcc[4]);
ChunkGetIndexFromFourCC  355 3rdparty/libwebp/mux/muxread.c   idx = ChunkGetIndexFromFourCC(fourcc);